Home / 876,086.69-1,209,258.14-513,589.01

Finding the Fourth Proportional to 876,086.69, 1,209,258.14 and 513,589.01

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Solution

The fourth proportional to 876,086.69, 1,209,258.14 and 513,589.01 is: 708,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,086.69 : 1,209,258.14 = 513,589.01 : x
  2. Step 2: Convert to fraction form
    876,086.69/1,209,258.14 = 513,589.01/x
  3. Step 3: Cross multiply
    876,086.69x = 1,209,258.14 × 513,589.01
  4. Step 4: Simplify right side
    876,086.69x = 621,061,682,342.81
  5. Step 5: Solve for x
    x = 621,061,682,342.81/876,086.69
  6. Step 6: Final answer
    x = 708,904.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.